- wind farms;
- power stations;
- boilers, gas turbines and cooling towers;
- artillery and mining explosions;
- large diesel engines, compressors, pumps, blowers and ventilation fans; and
- sound amplification systems/subwoofers.
We carry out such measurements with the latest technology, world-renowned Brüel & Kjær (B&K), Modular, Precision, Real-Time, Sound and Vibration Analyzers type: 2250 and 2270, with ½" Microphones type 4193 and UC-0211 Adapters.
NOTE: A number of people around the world are disturbed by low frequency sound, which they typically describe as something like a low rumble/hum/drone or air-borne vibration.
Only a small proportion of people are affected, but those who are can be severely distressed, can lose sleep and suffer other symptoms like depression.